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Machine and Hose Runs?

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  • Machine and Hose Runs?


    I have a UK extractor called an Airflex Pro custom made by a company called Cleansmart here in the uk, so the machine runs on 240v. It has two three stage Electro motors mounted in series. One motor is higher powered and the other is lower powered therefore it pulls 117 cfm and 230" of water lift. How many feet of hose is the maximum I should run with this machine?

    The machine has a port which will enable a booster to be attached however my worry is if i attach a single motor in parallel booster it will adversely effect my lift and I will be left with the equivalent of a two motor parallel machine. I would like to be able to run at least 100ft of hose with the minimum amp draw as possible as I also use a 3 kw water heater and don't really want to give that up. I could also use the same configuration motors as I have in an in series, parallel booster however if I use all of that on one single circuit which sometimes is all which is available it will use over the 7200 w which is maximum. (that's without the customer putting the kettle on which is essential) I have wondered if my current set up is not up to the job if I should change the existing motors for two 6.6 motors as the change would be relatively easy and the machine has a 3" stack. If I did use 6.6 vac what is the best way to set them up, series or parallel. I have always thought that more lift is what gives the higher cfm at a restriction ie when the wand is on the carpet however I may be wrong. Any help and opinions would be great.

    Many Thanks

  • #2
    Hose length and Series VS Parrallel

    Looks like if you are using 1-1/2" ID hose, you might want to limit your distance to 75 ft (23 meters)
    If you have a 2" vacuum port and use all two inch hose you can double this to up to 150 ft.
    I expect you left to remain close to the same with the booster but your cfm will go up so your 'use lift' will still be increased once the wand is on the floor.
    Example your current 'use lift' with on the floor might be half of the sealed inches and half of the open flow cfm or 58 cfm and 115" of water lift (6670 vacuum units), but now add a booster and your 'use' cfm and lift might go to average between the two machine. Like 75 cfm and 125" or 9375 vacuum units. In other words any booster is still going to improve dry times.
    The dry time between parallel 6.6 vacuum motor and series vacuum motors is almost the same
    PARALLEL, 128" lift, 232 CFM or 29,696 vacuum units.
    Dual 6.6 Inch Vacuum Ametek Air Series Motors pull 215" Lift X 170 cfm = 36,550 vacuum units
    With the wand on the floor these number are cut in half.

    Please read


    • #3
      Thanks Donald, that sounds good.

      What are your thought on in series boosters? I can easily add either a in series or in parallel booster as I have a port for each.


      • #4
        Vacuum booster configuration.

        All booster make a big improvement in vacuum.
        The best possible performance is achieved by a series parallel configuration.
        This means two motors in series, pair in parallel with another pair in series.
        4 motors total.


        • #5
          How can I get best ever performance by my vacuum ? Please guide me


          • #6
            re-phrase your question

            Your question does not make sense, "How can I get best ever performance by my vacuum ? Please guide me."
            How would anybody know what your vacuum is? You left all the details of your current machine and what your final achievement goal is.


            • #7
              I guess for the improvement of vacuum boosters are must thing